/// <summary>
/// Returns an integer indicating if the
/// </summary>
/// <param name="startCoordinate"></param>
/// <param name="sizeToCheck"></param>
/// <param name="heightOffset"></param>
/// <returns></returns>
private PathCoordinate GetSafeCoordinate(UniversalCoords startCoordinate, Size sizeToCheck, int heightOffset)
{
// Given a coordinate, determine if it is safe to move to allowing Y +- 1 and taking into consideration size of space to check
PathCoordinate result = null;
if (heightOffset > 0 && CheckOffset(startCoordinate.Offset(0, heightOffset, 0), sizeToCheck) == 1)
startCoordinate = startCoordinate.Offset(0, heightOffset, 0);
result = GetCoordinateFromCacheOrAdd(startCoordinate);
if (result != null)
{
// Check down the Y axis for unsafe blocks
int checkOffsetResult = 0;
int loopCount = 0;
while(startCoordinate.WorldY > 0 && (checkOffsetResult = CheckOffset(startCoordinate.Offset(0, -1, 0), sizeToCheck)) == 1)
{
if (++loopCount >= 4)
{
return null;
}
startCoordinate = startCoordinate.Offset(0, -1, 0);
if (startCoordinate.WorldY > 0)
{
result = GetCoordinateFromCacheOrAdd(startCoordinate);
}
}
if (checkOffsetResult == -2)
{
return null; // Lava
}
}
return result;
}
/// <summary>
/// Returns an integer indicating if the
/// </summary>
/// <param name="startCoordinate"></param>
/// <param name="sizeToCheck"></param>
/// <param name="heightOffset"></param>
/// <returns></returns>
private PathCoordinate GetSafeCoordinate(UniversalCoords startCoordinate, Size sizeToCheck, int heightOffset)
{
PathCoordinate result = null;
if (heightOffset > 0 && CheckOffset(startCoordinate.Offset(0, heightOffset, 0), sizeToCheck) == 1)
startCoordinate = startCoordinate.Offset(0, heightOffset, 0);
result = GetCoordinateFromCacheOrAdd(startCoordinate);
if (result != null)
{
// Check down the Y axis for unsafe blocks
int checkOffsetResult = 0;
int loopCount = 0;
while(startCoordinate.WorldY > 0 && (checkOffsetResult = CheckOffset(startCoordinate.Offset(0, -1, 0), sizeToCheck)) == 1)
{
if (++loopCount >= 4)
{
return null;
}
startCoordinate = startCoordinate.Offset(0, -1, 0);
if (startCoordinate.WorldY > 0)
{
result = GetCoordinateFromCacheOrAdd(startCoordinate);
}
}
if (checkOffsetResult == -2)
{
return null; // Lava
}
}
return result;
}